diff options
| -rw-r--r-- | lib/compress.js | 5 | ||||
| -rw-r--r-- | test/compress/exports.js | 14 |
2 files changed, 18 insertions, 1 deletions
diff --git a/lib/compress.js b/lib/compress.js index e56ab43b..31e89ab4 100644 --- a/lib/compress.js +++ b/lib/compress.js @@ -6216,7 +6216,10 @@ merge(Compressor.prototype, { }); body.push(defun); } else { - if (drop_sym && var_defs[sym.id] > 1 && sym.orig.indexOf(def.name) > sym.eliminated) { + if (drop_sym + && var_defs[sym.id] > 1 + && !(parent instanceof AST_ExportDeclaration) + && sym.orig.indexOf(def.name) > sym.eliminated) { var_defs[sym.id]--; duplicated++; } diff --git a/test/compress/exports.js b/test/compress/exports.js index 33059bca..0fdf6412 100644 --- a/test/compress/exports.js +++ b/test/compress/exports.js @@ -464,3 +464,17 @@ issue_4761: { } expect_exact: 'export default"function"==42;' } + +issue_4766: { + options = { + unused: true, + } + input: { + var a = "foo"; + export var a = "bar"; + } + expect: { + var a = "foo"; + export var a = "bar"; + } +} |